The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2006
Filed:
Dec. 18, 2003
Applicants:
Minoru Sueki, Kanagawa, JP;
Ryota Suzuki, Kanagawa, JP;
Inventors:
Minoru Sueki, Kanagawa, JP;
Ryota Suzuki, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic recording medium comprising: a support; and at least one magnetic layer containing a ferromagnetic powder and a binder, wherein a center line average roughness of the magnetic layer measured with a laser interferometer is from 1 to 3 nm, a skewness is 0 or more and less than 1.0, and a maximum difference of elevation of peak/valley is 50 nm or less.